1G vs 2G vs 3G vs 4G vs 5G. Bangla.What is new in 4G and 5G? What in 5G in wifi?

1G vs 2G vs 3G vs 4G vs 5G.What is new in 4G and 5G? What in 5G in wifi? I have discussed the differece between networks. Hope you will like the video.

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5g vs 4g